TM 9-2350-247-20-3REPLACE/REPAIR HEATER CONTROL BOX 0472 00THIS WORK PACKAGE COVERS:Removal (page 0472 00-1)Disassembly (page 0472 00-2)Assembly (page 0472 00-5)Installation (page 0472 00-7)INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0541 00, Item 57)Electrical Tool Kit (WP 0541 00, Item 56)Materials/PartsLock washer (12)Personnel RequiredUnit MechanicReferencesSee your -10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)Battery negative lead(s) disconnected (WP 0292 00)REMOVAL1. Disconnect circuit 400 lead (1) from heater control box lead (2).2. Disconnect heater wiring harness (3) from heater control box (4).3. Remove two screws (5) and heater control box (4) from control box case (6).4. Remove two screws (7), control box case (6), and two lock washers (8) from two hull weld nuts (9). Discard lockwashers.0472 00-1
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